BK Technologies (Relm) KAA0228
Heavy Duty Behind-the-Head Noise Cancelling Headset
Includes side-port cable interface adapter for directly mounting. For RELM / BK KNG-P150, KNG2-P150, KNG-P400, KNG2-P400, KNG-P500, KNG2-P500, KNG-P800, KNG2-P800 radios
Need KAA0214 side connector